DANCE: Tonight's your last night to catch Bitter Melon, a 3D dance installation project by distinguished choreographer Raissa Simpson’s Push Dance Company and British video artist Ben Wood and his collaborator technologist David Mark, using two large-scale 3D projectors, which will be placed on the concession buildings adjacent to Dewey Monument. (8 to 10 p.m., Union Square, Geary and Powell)

MUSIC: Hemlock Tavern is hosting a free BBQ followed by a line-up of bands this afternoon, including Young Lions (featuring members of Neurosis, Christ on Parade, Idiot Flesh, The Mass), Lo-Pann, and Horns. (BBQ at 3 p.m., show at 5:30 p.m., Hemlock Tavern, 1131 Polk Street)

THEATER: There might be a small amount of tickets available at the door for Shotgun Cabaret's First Person Singular production of Wanted Man, a reinterpretation of Johnny Cash's legendary San Quentin performance, which underscores the drama and literary value of Cash's music by presenting it in a theatrical context. (8 p.m., Shotgun Players, 1901 Ashby Avenue, Berkeley)